CentOS 6 : kernel (CESA-2013:0567)

Medium Nessus Plugin ID 65159

Synopsis

The remote CentOS host is missing one or more security updates.

Description

Updated kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

This update fixes the following security issue :

* A race condition was found in the way the Linux kernel's ptrace implementation handled PTRACE_SETREGS requests when the debuggee was woken due to a SIGKILL signal instead of being stopped. A local, unprivileged user could use this flaw to escalate their privileges.
(CVE-2013-0871, Important)

Users should upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.

Solution

Update the affected kernel packages.

See Also

http://www.nessus.org/u?c6429d84

http://www.nessus.org/u?bd7f7a9a

Plugin Details

Severity: Medium

ID: 65159

File Name: centos_RHSA-2013-0567.nasl

Version: 1.9

Type: local

Agent: unix

Published: 2013/03/10

Updated: 2020/01/06

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2013-0871

CVSS v2.0

Base Score: 6.9

Temporal Score: 5.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-doc, p-cpe:/a:centos:centos:kernel-firmware, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python-perf, cpe:/o:centos:centos:6

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2013/03/08

Vulnerability Publication Date: 2013/02/18

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2013-0871

BID: 57986

RHSA: 2013:0567